نتایج جستجو برای: chlorite schist
تعداد نتایج: 1965 فیلتر نتایج به سال:
introduction the lulak abad iron occurrence is located in the northwestern part of the central iran, 55 km west of zanjan. mineralization at the lulak abad area was originally identified by zamin gostar company (2007), during a geophysical exploration. the present paper provides an overview of the geological framework, the mineralization characteristics, and the results of a geochemical study o...
The objective of this study was to investigate the clay mineralogy of soils derived from different parent materials in Binaloud zone, western Mashhad. Two soil profiles on the summit of granitic, ultrabasic and metamorphic rocks were described and sampled from genetic horizons. Clay fraction of the soils was analyzed using X-ray diffraction method. Chlorite, smectite, mica, amphibole and regula...
The behavior of fluids at the subduction plate interface and their chemical rheological impacts remain poorly constrained. Based on detailed fieldwork, petrographic geochemical analyses thermobarometry, present study documents an example a block-in-matrix ‘mélange’ metasomatized along (Kampos-Lia mélange zone, Cycladic Blueschists, Syros island). We show that this particular zone is preserved f...
Synthetic waveform modeling of the anomalous receiver functions for two stations in the eastern San Gabriel Mountains, California, suggests that a flat-topped notch structure exists on the Moho. North of the San Andreas Fault (SAF), the Moho depth is 36–38 km and is 33–35 km south of the San Gabriel Fault (SGF), but in-between under the Mt. Baldy block, it is only ∼29 km. The inferred notch str...
Density fingering of exothermic autocatalytic fronts in vertically oriented porous media and Hele-Shaw cells is studied theoretically for chemical reactions where the solutal and thermal contribution to density changes have opposite signs. The competition between these two effects leads to thermal plumes for ascending fronts. The descending fronts behave strikingly differently as they can featu...
Most methods used by food industries to decontaminate eggs involve washing of egg surface with various chemicals. In this study, the effectiveness of two organic decontaminants viz., acidified sodium chlorite (ASC) and cell free culture supernatant (CFCS) of two lactic acid bacteria (Lactobacillus plantarum and Pediococcus cerevisiae) was evaluated for the decontamination of spiked Salmonella T...
This work shows the Kédougou-Kéniéba inlier (eastern Senegal) pillow lavas behavior from laboratory to field. Some uniaxial tests are carried out on five types of specimens of pillow lavas. These types of specimens are: microscopically healthy rock, fractured rock without filling, fractured rock filled with epidote, chlorite and calcite and rocks with tension crack filled with quartz. The Young...
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